Answer:
Cosy° =
Step-by-step explanation:
From the picture attached,
By applying all trigonometric ratios in the given right triangle,
Siny° = =
tany° = =
Therefore, Cosy° =
Cosy° =
Therefore, Cosy° = will be the answer.
Answer:
B.The two holders of back-stage passes whose ages are above 40 make the mean age higher than the median age.
Step-by-step explanation:
i took the test just now
Answer:
1) given
2) given
3) definition of vertical angles
4) AAS
Step-by-step explanation:
Answer:
A-3, B-4, C-1, D-2
Step-by-step explanation:
A:
- 5x-(3x+1)
- Expand, 5x-3x-1
- Combine like terms, 2x-1
B:
- 5x-(-3x-1)
- Expand, 5x+3x+1
- Combine like terms, 8x+1
C:
- -5x-(3x+1)
- Expand, -5x-3x-1
- Combine like terms, -8x-1
D:
- -5x-(-3x-1)
- Expand, -5x+3x+1
- Combine like terms, -2x+1